A4tech OP-620D stříbrná USB, optical, USB

Optical Mouse classic shape in silver, yielding a perfect precision in movement, due to the high sensitivity of 800 DPI. The optical sensor works on a wide range of surfaces, does not mat is not necessary and it is still clean as a traditional ball. Apart from the two mouse buttons are also equipped with a scroll wheel for easy movement of documents or websites, which also serves as a third button. The computer is connected via USB.
Parameters and specifications:

Sensitivity:
800 DPI
Keys:
2 + wheel (third button)

Interface:
USB
Color:
Black